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nearby/fastpair/server_access/fast_pair_client_impl.h
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2023-12-18 19:11:52 -08:00

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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef THIRD_PARTY_NEARBY_FASTPAIR_SERVER_ACCESS_FAST_PAIR_CLIENT_IMPL_H_
#define THIRD_PARTY_NEARBY_FASTPAIR_SERVER_ACCESS_FAST_PAIR_CLIENT_IMPL_H_
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>
#include "absl/strings/string_view.h"
#include "fastpair/server_access/fast_pair_client.h"
#include "fastpair/server_access/fast_pair_http_notifier.h"
#include "internal/auth/authentication_manager.h"
#include "internal/network/http_client.h"
#include "internal/network/url.h"
#include "internal/platform/device_info.h"
#include "internal/platform/implementation/account_manager.h"
namespace nearby {
namespace fastpair {
// An implementation of FastPairClient that fetches access tokens and makes
// HTTP request to FastPair backend.
class FastPairClientImpl : public FastPairClient {
public:
// Query strings of the request.
using QueryParameters = std::vector<std::pair<std::string, std::string>>;
FastPairClientImpl(auth::AuthenticationManager* authentication_manager,
AccountManager* account_manager,
network::HttpClient* http_client,
FastPairHttpNotifier* notifier, DeviceInfo* device_info);
FastPairClientImpl(FastPairClientImpl&) = delete;
FastPairClientImpl& operator=(FastPairClientImpl&) = delete;
~FastPairClientImpl() override = default;
// Gets an observed device.
absl::StatusOr<proto::GetObservedDeviceResponse> GetObservedDevice(
const proto::GetObservedDeviceRequest& request) override;
// Reads the user's devices.
absl::StatusOr<proto::UserReadDevicesResponse> UserReadDevices(
const proto::UserReadDevicesRequest& request) override;
// Writes a new device to a user's account.
absl::StatusOr<proto::UserWriteDeviceResponse> UserWriteDevice(
const proto::UserWriteDeviceRequest& request) override;
// Deletes an existing device from a user's account.
absl::StatusOr<proto::UserDeleteDeviceResponse> UserDeleteDevice(
const proto::UserDeleteDeviceRequest& request) override;
private:
enum class RequestType { kGet, kPost, kDelete };
network::HttpRequestMethod GetRequestMethod(
FastPairClientImpl::RequestType request_type) const;
// Fetches access token for a logged in user.
absl::StatusOr<std::string> GetAccessToken();
network::HttpRequest CreateHttpRequest(
std::optional<absl::string_view> access_token, network::Url url,
RequestType request_type,
std::optional<QueryParameters> request_as_query_parameters,
std::optional<std::string> body);
auth::AuthenticationManager* authentication_manager_ = nullptr;
AccountManager* account_manager_ = nullptr;
network::HttpClient* http_client_;
FastPairHttpNotifier* notifier_ = nullptr;
DeviceInfo* device_info_ = nullptr;
};
} // namespace fastpair
} // namespace nearby
#endif // THIRD_PARTY_NEARBY_FASTPAIR_SERVER_ACCESS_FAST_PAIR_CLIENT_IMPL_H_